TY - RPRT TI - Compound-specific isotope analysis coupled with multivariate statistics to source-apportion hydrocarbon mixtures. AU - Thomas J Boyd AU - Christopher L Osburn AU - Kevin J Johnson AU - Keri B Birgl AU - Richard B Coffin PY - 2006 DO - 10.1021/es050975p UR - https://pubmed.ncbi.nlm.nih.gov/16570616/ ID - 16570616 ER -